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| author | Tom Rini <trini@ti.com> | 2014-08-31 07:45:55 -0400 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-08-31 07:45:55 -0400 |
| commit | 0a64bc20f7f160904d3795536ec70446ad743826 (patch) | |
| tree | b8187d17273524de0d6d9b8f3ae7958aab2b2ae1 /drivers/serial/altera_uart.c | |
| parent | 16e16fdde21c9255e338d2eaea339c3ca905da22 (diff) | |
| parent | 857b9cb69ffc2b5a607e55a09325290274c7272e (diff) | |
| download | u-boot-imx-0a64bc20f7f160904d3795536ec70446ad743826.zip u-boot-imx-0a64bc20f7f160904d3795536ec70446ad743826.tar.gz u-boot-imx-0a64bc20f7f160904d3795536ec70446ad743826.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-nios
Diffstat (limited to 'drivers/serial/altera_uart.c')
| -rw-r--r-- | drivers/serial/altera_uart.c | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/drivers/serial/altera_uart.c b/drivers/serial/altera_uart.c index d620528..d6b1484 100644 --- a/drivers/serial/altera_uart.c +++ b/drivers/serial/altera_uart.c @@ -9,10 +9,47 @@ #include <common.h> #include <watchdog.h> #include <asm/io.h> -#include <nios2-io.h> #include <linux/compiler.h> #include <serial.h> +typedef volatile struct { + unsigned rxdata; /* Rx data reg */ + unsigned txdata; /* Tx data reg */ + unsigned status; /* Status reg */ + unsigned control; /* Control reg */ + unsigned divisor; /* Baud rate divisor reg */ + unsigned endofpacket; /* End-of-packet reg */ +} nios_uart_t; + +/* status register */ +#define NIOS_UART_PE (1 << 0) /* parity error */ +#define NIOS_UART_FE (1 << 1) /* frame error */ +#define NIOS_UART_BRK (1 << 2) /* break detect */ +#define NIOS_UART_ROE (1 << 3) /* rx overrun */ +#define NIOS_UART_TOE (1 << 4) /* tx overrun */ +#define NIOS_UART_TMT (1 << 5) /* tx empty */ +#define NIOS_UART_TRDY (1 << 6) /* tx ready */ +#define NIOS_UART_RRDY (1 << 7) /* rx ready */ +#define NIOS_UART_E (1 << 8) /* exception */ +#define NIOS_UART_DCTS (1 << 10) /* cts change */ +#define NIOS_UART_CTS (1 << 11) /* cts */ +#define NIOS_UART_EOP (1 << 12) /* eop detected */ + +/* control register */ +#define NIOS_UART_IPE (1 << 0) /* parity error int ena*/ +#define NIOS_UART_IFE (1 << 1) /* frame error int ena */ +#define NIOS_UART_IBRK (1 << 2) /* break detect int ena */ +#define NIOS_UART_IROE (1 << 3) /* rx overrun int ena */ +#define NIOS_UART_ITOE (1 << 4) /* tx overrun int ena */ +#define NIOS_UART_ITMT (1 << 5) /* tx empty int ena */ +#define NIOS_UART_ITRDY (1 << 6) /* tx ready int ena */ +#define NIOS_UART_IRRDY (1 << 7) /* rx ready int ena */ +#define NIOS_UART_IE (1 << 8) /* exception int ena */ +#define NIOS_UART_TBRK (1 << 9) /* transmit break */ +#define NIOS_UART_IDCTS (1 << 10) /* cts change int ena */ +#define NIOS_UART_RTS (1 << 11) /* rts */ +#define NIOS_UART_IEOP (1 << 12) /* eop detected int ena */ + DECLARE_GLOBAL_DATA_PTR; /*------------------------------------------------------------------ |